“Mosaic delivered outstanding results despite difficult external factors such as the late and compressed North American spring planting season, and additional logistical challenges,” Mosaic CEO Jim Prokopanko said in a statement.

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Mosaic said it set an all-time potash sales record during the quarter by delivering 2.6 million tons of product, compared with its guidance for 2.3 million to 2.6 million tons. However, prices averaged $368 a ton, compared with the company’s call for $350 to $380.

Looking ahead, Mosaic reiterated its forecast for the calendar year of 2013 to be a “near record year” for potash shipments.

"The long-term outlook for Mosaic remains compelling, and we are executing well to capture the opportunity," Prokopanko said.

Following the results, shares of Plymouth, Minn.-based Mosaic rose 1.37% to $56.90 in premarket trading on Tuesday. So far this year the company’s stock has underperformed the broader markets, posting a 0.88% drop.